India-Russia discuss tech switch, making of RD-191 semi-cryo rocket engine

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India-Russia discuss tech switch, making of 'RD-191' semi-cryo rocket engine

In Reports
11:04 PM, Apr 13, 2023
Myind Staff

According to news agency Wion, Russian-made 'RD-191' semi-cryogenic rocket engines are being transferred to Indian industry with the help of the Indian Government's Department of Space. This technology transfer is intended to enable Indian firms to produce the Russian-made rocket engine in India.

This technology transfer increases the likelihood that the made-in-India "RD-191" engines will be exported and used in India's biggest rocket, the LVM3, to increase its payload-carrying capacity. According to reports, India and Russia have been negotiating the sale of 'RD-191' engines for a very long time.

The 'RD-191' is a high-performance rocket engine fuelled by kerosene and liquid oxygen. It falls under the category semi-cryogenic, as its fuel kerosene can be stored at room temperature and the oxidiser liquid oxygen has to be stored at super-cooled temperatures (below -150 degrees Centigrade).

India presently uses three different types of engines on its operational rockets: liquid-fuelled, cryogenic (where liquid oxygen and hydrogen are stored at extremely low temperatures) and solid-fuelled.

While negotiations for the Russian-made semi-cryogenic engine are ongoing, the Indian Space Research Organization (ISRO) is preparing for the first test of a 2000kN, homegrown semi-cryogenic engine that runs on liquid oxygen and kerosene.

The ISRO Liquid Propulsion Systems Centre in Thiruvananthapuram is creating a semi-cryo engine known as SCE-2000. While the engine is a stand-alone part, it eventually combines with fuel tanks and other parts to form what is known as a rocket stage. 'SC-120' is the name of ISRO's semi-cryo stage. ISRO has created a kerosene-based fuel known as "ISROSENE" specifically for this engine.

Andrey Elchaninov, First Deputy Director General of the Russian Space Agency Roscosmos, was recently questioned regarding the potential sale of RD-191 engines to India in an interview with the Russian News Agency Interfax.

He stated that Russia and India were talking about the specifics, features, and range of RD-191 engine supplies.

"We hope to enter into a contract in the near future. We do not interrupt cooperation with anyone, we are open to all foreign customers" he said.

Image source: Wion web

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